A post to sort out the electrochemical energy storage industry chain

energy storage industry chain

On July 23, 2021, the National Development and Reform Commission and the National Energy Administration released the latest energy storage policy “Guiding Opinions on Accelerating the Development of New Energy Storage”. Large-scale development and transformation, with an installed capacity of more than 30 million kilowatts (30GW); by 2030, the comprehensive market-oriented development of new energy storage will be realized.

This post mainly introduces the basic situation of upstream and downstream suppliers and integrators in my country’s electrochemical energy storage industry, mainly including battery suppliers, EMS/BME suppliers, energy storage converter suppliers, and system integrators through the industrial chain.

Lithium battery supplying

CATL is currently the absolute leader of domestic battery manufacturers, and its batteries and related management system products are mainly for the new energy vehicle and energy storage markets. The energy storage business of CATL is dominated by lithium-iron phosphate batteries. The sodium-ion battery under research is expected to be mass-produced in 2023. Currently, the energy storage business cooperation includes Yongfu, National Times (State Grid), Nebula Times (Nebulas), Keshi Da, Pros, etc.

In the field of energy storage, the ToC business model of CATL mainly undertakes and jointly undertakes energy storage projects at all levels in the country, as well as strategic cooperation with energy storage system integrators, photovoltaic system integrators, etc., to provide them with battery modules. Form a deep bond and improve the layout of the industrial and commercial side.

BYD has been developing energy storage systems since 2008, and currently mainly develops energy storage business in overseas markets. BYD’s energy storage products cover the market needs of small household energy storage products, industrial and commercial energy storage systems, and large public-level container systems. Its business scope covers more than 50 countries and more than 300 cities around the world. So far, the total global sales volume has exceeded 1.7%. GWh.

In 2020, BYD released the energy storage product BYD Cube, which covers an area of only 16.66 square meters and has an energy storage capacity of 2.8MWh. Compared with the 40-foot standard container energy storage system in the industry, the energy density per unit area has increased by 90%, and it is the first to support 1300V DC voltage. Judging from the public information, BYD currently only provides battery module products to a few customers such as Power Grid Group, and most of its business comes from energy storage system integration and project implementation.

CALB has relatively mature experience in energy storage projects. The energy storage systems it has undertaken have been running stably for five years, and it is in a leading position in China.

Up to now, CALB has achieved full coverage of application scenarios such as offshore islands, remote plateaus, high cold and low pressure in the field of energy storage, with a total of more than 20 projects and a total installed capacity of more than 150MWh. AVIC Lithium’s existing lithium battery production capacity is 11GWh. According to the plan, the power battery capacity of AVIC Lithium will reach 100GWh by 2025. These batteries will be mainly used in new energy vehicles and energy storage markets.

In 2016, Gotion Hi-Tech officially established the energy storage division to enter the field of battery energy storage. Currently, the main business method is to provide battery systems for energy storage projects.

On January 12 this year, Gotion Hi-Tech issued an announcement stating that Hefei Guoxuan received the “Notice of Winning the Bid” from Wanneng Power, confirming that the consortium formed by Hefei Guoxuan and Southwest Electric Power Design Institute became the “Huaibei Wanneng Energy Storage Power Station One” Phase (103MW/206MWh) project general contracting unit”, responsible for providing the DC side battery energy storage system for the project.

EVE Energy has a layout in the fields of communication energy storage, power energy storage, wind and solar energy storage, distributed energy systems, etc., and mainly provides battery systems for each energy storage field. Previously, Powin Energy, an American energy storage system integrator, signed a two-year master supply agreement with EVE, and EVE will become the battery supplier for the Powin Battery Energy Storage System (BESS) project.

At the same time, EVE Energy will also put into production and deliver Huawei’s 3GWh energy storage battery project this year. In order to ensure the supply of energy storage batteries, Yiwei Lithium Energy has signed a joint venture agreement with Linyang Energy to start the construction of a 10GWh lithium iron phosphate energy storage battery project with a total investment of about 3 billion RMB.

Sunwoda also provides power batteries and energy storage battery products to the market. On February 26 this year, according to the news released by Zaozhuang National High-tech Zone, Xinwangda’s annual output of 30GWh power battery project officially started construction. According to reports, the project plans to cover an area of 1,000 mu, with a construction area of about 1 million square meters and a total investment of 20 billion yuan. It mainly builds power batteries, energy storage batteries and supporting production bases with an annual output of 30GWh.

At present, Ganfeng Lithium’s lithium battery products cover more than 20 types of solid-state batteries, consumer batteries, small polymer batteries, power batteries, and energy storage systems. Its subsidiary Ganfeng Power is mainly responsible for the production of power batteries and energy storage batteries. . From the perspective of product types, the batteries used by Ganfeng Lithium in the energy storage market are lithium iron phosphate batteries, which are mainly for battery sales.

BMS/EMS system supplier

BMS and EMS (that is, battery management system and energy management system) are the management and control centers of the energy storage system. BMS mainly detects, evaluates, protects and balances the batteries in the energy storage system, and monitors the accumulative processing of batteries through various data. energy, and protect the safety of the battery; EMS mainly realizes the energy control of the internal microgrid of the energy storage system through data acquisition, network monitoring and energy scheduling to ensure the normal operation of the microgrid and the entire system.

At present, EMS/BMS suppliers in the energy storage market include battery manufacturers, new energy vehicle BMS manufacturers, and enterprises specializing in the development of energy storage market management systems. Battery manufacturers and new energy vehicle BMS manufacturers currently have a larger market share due to their more experience in product development.

BYD has established a BMS factory research department, specializing in batteries, BMS and related insurance, capacitors, photovoltaics, energy storage and other businesses. BYD’s electric vehicles are equipped with its own battery and battery management system. In addition to basic battery energy management and battery thermal management functions, its battery management system also has the function of automatic balancing of battery cells. However, since the BMS on the electric vehicle and the BMS on the energy storage system are different, the battery management strategy of BYD’s energy storage products will also be different. At present, there is no public data to analyze the performance or technical indicators of the BMS of its energy storage system.

The BMS of CATL is also integrated in the battery pack. As the sales and projects of battery modules are applied in the field of new energy vehicles and the energy storage market, they are generally not provided to integrators in the field of energy storage or new energy vehicle companies.

Joyson Electronics was established in 2004 and is headquartered in Ningbo, China. It was listed on the Shanghai Stock Exchange in December 2011, and merged with German Preh in the same year. Preh, a subsidiary of Joyson Electronics, provides battery management systems for BMW i3 pure electric vehicles, becoming the first auto parts company in China to provide battery management systems to BMW. In addition to application in new energy vehicles, Joyson Electronics also wants to provide BMS systems in the field of energy storage.

E-Pow Electronics Co., Ltd. was established in 2006 and is located in Zhongkai High-tech Industrial Development Zone, Huizhou City, Guangdong Province. E-pow Electronics Co., Ltd. is committed to the research and development, production and sales services of large-scale power management systems such as electric vehicles and energy storage power stations. It is a domestic supplier of electric vehicle battery management systems with leading technology and high market share. The company’s automotive BMS products include EV01, EV02, EV03, EV04, EV05 series, and also provide large-scale BMS products to energy storage system integrators.

Established in May 2012, BMSER Technology is engaged in the R&D and production of new energy battery management technology and provides professional overall battery management solutions. The company currently has multiple models of BMS products in five fields, including energy storage, electric vehicles, backup power supplies, two-wheelers, and cascade utilization. At the end of 2019, the company launched the industry’s first 1500V energy storage BMS product, which supports 1500V total voltage sampling and insulation testing. The product has been put into commercial use in large quantities.

Hangzhou Kegong Electronic Technology Co., Ltd. is one of the few national high-tech enterprises that only focus on energy storage BMS research. The founder of Kegong Electronics has rich practical experience and innovation ability in various battery acquisition technologies, bidirectional DC/DC active equalization technology, SOX technology, especially SOC and SOH technology, IEC61850 technology, EMC/EMI technology, etc.

At present, scientific and industrial products can be achieved as long as there are no errors in the field wiring, and there is almost no need for much debugging. The system has been able to achieve remote upgrade function in 2019. As early as 2018, it has completed multiple 1500V high-voltage energy storage system export BMS packages; and cooperated with many manufacturers to obtain UL and TUV certification for high-voltage systems from TUV and Intertek. Certificate, and completed the BMS matching of 3 high-voltage 10KV direct-hanging systems. In the past five years, the cumulative shipment of energy storage BMS has exceeded 2.6GWh.

Pylontech was established in 2009. At the beginning of its establishment, it has been deeply involved in the energy storage industry. It has design, development and production capabilities from cells to modules to BMS. EMS is also under development, but PCS is not currently involved. Among the executive experiences disclosed in the prospectus, three of them were technical directors of the company who had previously served at BYD.

The production process of pylontech technology products includes the production of soft-packed cells, the production of battery management systems and the assembly of energy storage battery systems. Except for the patching of circuit boards and wiring harness processing in the BMS production process, all other links are carried out by pylontech technology can operate by itself.

Shenzhen Klclear Technology Co., Ltd. is a supplier of key components for electric vehicles, and a leading enterprise in the research and development and sales of lithium battery management systems (BMS) in China. The company was established in March 2010 and is headquartered in High-tech Industrial Park, Nanshan District, Shenzhen. Core Technology has mastered the four core technologies of the world’s leading power battery management system: active balance, system calibration, functional safety, and data analysis. The company officially landed on the New Third Board on July 15, 2015.

Hangzhou Gold Electronic Equipment Co., Ltd. was established in 1998. It is committed to the application characteristics, capacity analysis and services of valve-regulated lead-acid batteries (VRLA), lead-carbon batteries, and lithium iron phosphate batteries. , energy storage and other industry users have provided many advanced, reliable and systematic solutions and product services.

At present, Gold Electronics has energy storage power station battery management system (ESBMS), household energy storage battery management system (FEBMS), energy storage system integrated centralized control unit (ES-CCU), intelligent battery pack monitoring and management system (DJX) ), intelligent battery pack load tester (FZY), UPS power supply system and battery intelligent network management system, substation intelligent equipment operation status information management system and many other products are used in energy storage, electric power, communication, automobile manufacturing and other industries at home and abroad user.

NR electric was established in 1999, mainly engaged in the research and development and industrialization of power protection and control of power grids, power plants and various industrial and mining enterprises, as well as intelligent power equipment. NARI Relay has a complete set of energy storage core equipment independently developed such as Energy Management System (EMS), Energy Storage Coordinated Control System (PMS), Energy Storage Converter System (PCS) and Battery Management System (BMS). Its energy storage system has been widely used on the grid side, new energy side, user side, and microgrid side, and the cumulative installed capacity at home and abroad exceeds GW.

Energy Storage Converter Supplier

The energy storage converter is a converter connected between the battery system and the grid (or load) to realize bidirectional conversion of electric energy in an electrochemical energy storage system. The domestic market demand for energy storage converters has grown with the expansion of the energy storage market. After several years of development, leading enterprises have emerged.

Sungrow is a listed company integrating inverter, photovoltaic EPC business, and energy storage business. Inverter is the main business, and energy storage is an incremental business. The income is equal, but the domestic price is lower than that of foreign countries, so the domestic shipments are more.

The PCS (energy storage converter) in the energy storage system has a strong synergistic effect with the photovoltaic inverter, and Sungrow gradually expands the industrial chain from the PCS. Before 2015, Sungrow mainly made PCS, and then cooperated with Samsung to gradually form an energy storage industry chain from batteries to containers, fire protection, EMS, BMS and various control systems.

GoodWe has related core technologies in the fields of electronic power, new energy control, energy management, energy storage conversion, data acquisition and storage applications, etc. Its main products include photovoltaic grid-connected converters, photovoltaic energy storage converters and smart energy management system.

GoodWe has established a complete marketing service system through the global market layout. While consolidating the traditional European markets such as the Netherlands, it has also developed emerging markets such as India and Brazil. Its products are sold to more than 80 countries and regions around the world. In 2019, the company’s household energy storage converter shipments ranked first in the global market, with a market share of 15%.

The predecessor of Kehua Data was established in 1988 and listed on the Shenzhen A-share market in 2010. Kehua Hengsheng is the first manufacturer in the industry to obtain the patented technology of voltage source multi-machine parallel technology. It has the capability of parallel operation, supports the parallel operation of more than 40 energy storage converters with different powers, and breaks through the technical difficulties of parallel operation of energy storage converters with different powers of 100 MW.

At present, the BCS-A series of energy storage converters of Kehua Data have obtained the TUV SÜD German medium-voltage grid-connected certification, indicating that the product meets the requirements of German medium-voltage grid-connection, which will help Kehua Hengsheng to expand faster Overseas markets in Germany and the entire EU.

At present, NARI’s energy storage converters have been applied to more than 100 countries in more than 10 countries around the world by virtue of the adaptability of various energy storage components, advanced control strategies, rich communication interfaces, convenient operation and maintenance, and high reliability. energy storage project. At the same time, NARI has launched the latest high-efficiency 1500V/1.25MW energy storage converter products. Its power module adopts multi-level IGBT hierarchical parallel connection, IGBT optimized modulation algorithm, high power density, intelligent and efficient air cooling and heat dissipation, etc. The cutting-edge technology helps to improve the cycle efficiency of the energy storage system.

Founded in 2007, Sinexcel Co., Ltd. is an energy technology enterprise with power electronics technology as its core. Its main business includes energy storage microgrid, power quality, electric vehicle charging pile, battery formation and testing, industrial power supply, data center six Big business segment. In 2012, Sinexcel Co., Ltd. entered the energy storage market. At present, it has deployed the energy storage industry in more than 50 countries and regions on five continents. More than 800 energy storage projects are running stably, and the global cumulative installed capacity exceeds 700MW.

Shenzhen Clou Electronic Technology Co., Ltd. was established in 1996 and listed on the Shenzhen Stock Exchange in March 2007. In 2009, it set foot in the field of energy storage, and is committed to providing overall solutions for new energy power generation and independently developing and manufacturing energy storage products. One of the earliest manufacturers of energy storage converters in China, it has participated in a number of energy storage projects, and the equipment has functions such as black start and vsg, which are technologically advanced.

On December 30, 2021, Clou Electronics issued an announcement that Kelu Electronics plans to issue shares to no more than 35 specific objects, including the controlling shareholder Shenzhen Capital Group, to raise funds of no more than 2.2 billion yuan. All the funds raised will be used for the two sub-projects of the 6GWh energy storage system construction project and the 5GW energy storage converter expansion project.

Sineng Electric Co., Ltd. is a national high-tech enterprise focusing on the R&D, manufacturing and sales of power electronic products. Its business covers photovoltaic inverters, energy storage systems, power quality management, power station development and other fields.

On April 14, 2021, the EH-0200-HA-M energy storage converter released by Shangneng Electric adopts a modular design, which increases the availability of the energy storage system to more than 99.9%; Higher conversion efficiency further improves grid friendliness. At the same time, through the cluster-level management of the string-type energy storage PCS, the battery life can be effectively improved, and the single machine can support 61850 GOOSE and achieve extremely fast response scheduling of ≤5ms.

Beijing Soaring Electric Technology Co., Ltd. was established in 2002. The company is located in the Zhongguancun Science and Technology Park where Beijing’s science, education, intelligence and human resources are dense. It is an innovative and leading enterprise focusing on clean energy and energy-saving technologies in China.

Soaring Electric has completed more than 200 projects, delivered more than 700MW of large-scale energy storage, and explored many benchmarking energy storage microgrid projects. So far, Soying Electric’s energy storage microgrid projects have spread all over the country, including tropical island areas with high temperature and humidity, high altitude and severe cold areas (above 4,500 meters in Yushu, Qinghai), and Fujian coastal areas with high salt corrosion. The ES series energy storage converters can realize AC/DC bidirectional energy conversion, and are the key power conversion equipment in the energy storage system.

Project integrator

Sungrow is one of the earliest companies involved in the energy storage field in China. According to the “Energy Storage Industry Research White Paper 2020” issued by the Zhongguancun Energy Storage Industry Technology Alliance, in 2019, among the new electrochemical energy storage projects put into operation in China, Sungrow’s energy storage inverters and energy storage system integrators are the first in China in terms of shipments.

At overseas, Sungrow’s products have been exported to the United States, Britain, Canada, Germany, Japan, Australia, India and many other countries. In North America, the market share of Sungrow’s industrial and commercial energy storage systems alone exceeds 20%; in Australia, through in-depth cooperation with distributors, Sungrow’s household solar energy storage system market share exceeds 20%.

Founded in November 2011, Beijing Hyperstron Technology Co., Ltd. is a leading energy storage system integrator and energy storage system service provider in China, providing one-stop overall solutions for energy storage power station development, design, integration, and operation. At present, Hyperstron’s energy storage products have been widely used in the grid side, power generation side, user side and overseas markets, and the overall application scale exceeds 1GWh.

Founded in 2015, Cooper Energy is a high-tech enterprise specializing in providing energy storage system products and comprehensive solutions. Its core business is mainly divided into energy storage system integration services, standardized product services, ODM customized services, and OEM brand OEM. Serve. Cooper Energy is headquartered in Shenzhen Science and Technology Park. It has two R&D and testing centers in Chengdu and Shenzhen, and has a production base with an annual production capacity of 1GWh.

The main business of Menshine Technology is smart travel and clean energy power engineering, as well as several major parts of the lead, lithium battery industry and energy storage industry. Since 2014, Menshine Technology has been committed to market development, product R&D and technology accumulation of energy storage industry-related businesses, and has strong competitiveness in all links in the energy storage industry chain, especially system integration.

Narada was established in 1994, and then exclusively provided energy storage batteries for the first large-scale practical application of energy storage project in China, Zhejiang Dongfushan New Energy Project, and entered the new energy energy storage industry.

Narada Power has the ability to provide system solutions ranging from R&D and production of energy storage products and systems, system integration to operation services. Provide products, system integration and services centered on lithium-ion batteries and lead batteries. At present, Narada’s energy storage business has spread to nearly 40 countries and regions around the world, and the installed capacity of energy storage in the world exceeds 1700MWh.

We will not be afraid of hardships and dangers, we will work hard, and we will use development results to repay investors, customers, employees, and society. The future will be even better. We will adhere to the enterprise spirit of “based on integrity, devotion to work, new services, and daring to innovate”, along the road of high-quality development, to become a world-renowned new energy enterprise. We will make unremitting efforts!


Leave a Reply

Your email address will not be published. Required fields are marked *

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@hlcbattery.com”