Under the background of "double carbon", the development of the energy storage industry has entered the early stage of commercialization, and the key role of energy storage in the orderly transformation of the energy system has initially appeared.
This year, Zhang Tianren, deputy to the National People's Congress and chairman of Tianneng Holding Group, submitted the "Suggestions on Accelerating the Establishment of Safe and Efficient New Energy Storage Facilities to Help Achieve the "Double Carbon" Goal" to the National People's Congress. Specific suggestions such as encouraging the development of energy storage batteries with various technical routes.
(Zhang Tianren, deputy to the National People's Congress and chairman of Tianneng Holding Group)
Energy storage: a super track with a carbon neutral vision
At present, carbon emission reduction has become a global consensus. According to ECIU statistics, more than 20 countries have set legislation or proposed targets for carbon neutrality. Top-level design promotes the introduction of downstream policies. As a technologically mature, safe and reliable clean energy, wind and solar will become a priorities for countries to advance.
As a key means to stabilize the fluctuation of clean energy power generation and improve the system's absorption capacity, energy storage will be supported by new energy power generation systems under the promotion of policies and will be applied on a large scale.
From the overall perspective of the new power system in the future, energy storage is an indispensable "just-needed" asset.
After the "dual carbon" goal was established, relevant policies at home and abroad continued to increase, and the popularity of the new energy sector continued to rise.
In 2021, the National Development and Reform Commission and the National Energy Administration issued the "Guiding Opinions on Accelerating the Development of New Energy Storage", and the State Council issued the "Carbon Peaking Action Plan before 2030", all of which emphasized optimizing the energy structure of new infrastructure and vigorously developing energy storage. importance of energy.
Local governments have also successively issued a series of relevant documents to promote the development of energy storage, which has provided strong momentum for the accelerated development of the domestic energy storage industry.
With favorable policies, the development of energy storage has grown rapidly.
In the first 11 months of 2021, China's new energy power generation alone reached 1,035.57 billion kWh, a year-on-year increase of 32.97%.
By the end of 2020, the global installed capacity of energy storage is 191GW. With the acceleration of global energy transformation and the continuous deepening of the industrialization of 5G base stations, by 2030, the installed capacity of global energy storage may reach more than 350 GW.
Safety is the bottom line of energy storage development
The "14th Five-Year Plan" is a strategic critical period for implementing the national "dual carbon" goal, an important window period for my country's energy clean and low-carbon transformation and high-quality development, and a rare opportunity period for energy storage technology and industrial development.
In March 2021, the ninth meeting of the Central Financial and Economic Commission proposed to build a clean, low-carbon, safe and efficient energy system, deepen the reform of the power system, and build a new power system with new energy as the main body.
With the construction of energy storage facilities, energy storage safety issues have always been concerned by relevant departments.
Zhang Tianren said that new energy storage has changed from the initial stage of commercialization to large-scale development, and safety has always been the bottom line of energy storage.
"We found in our research that there are still some safety issues that need to be addressed urgently in the development of energy storage."
Zhang Tianren mentioned that in the early stage of the development of the new energy storage industry, some companies that lacked core technologies were attracted to the industry by policies and subsidies. Safety problems occurred from time to time, resulting in personal casualties and property losses. Accidents in electrochemical energy storage power plants mainly include: Fire, explosion, poisoning, electric shock, etc.
In addition, imperfect energy storage technology standards are also one of the reasons for the existence of safety problems.
At present, there are many types of energy storage technologies, various application scenarios, and good and bad energy storage effects. However, there is no clear and scientific energy storage industry technical standards and acceptance standards. It is difficult for customers to identify the technical differences and product advantages and disadvantages of various energy storage batteries. The price of energy storage batteries as a selection criterion will easily lead to disorderly competition in the market, which is not conducive to the healthy development of the energy storage industry.
Zhang Tianren said that the safety of energy storage systems is a systematic project. It is recommended that relevant departments pay attention to the risk analysis of the whole life cycle of energy storage systems and control methods with lower risks, strengthen the research and development of system design safety, and focus on overcoming electrochemical energy storage batteries, energy storage equipment, The standard system of energy storage system integration, inspection and construction, improve the early warning, supervision, operation and maintenance strategies and mechanisms of the EMS energy management system, and promote the establishment of technical standards and specifications for energy storage equipment manufacturing, construction and installation, and operation monitoring.
Zhang Tianren believes that there are many technical routes for electrochemical energy storage, including high-energy lead-carbon batteries, lithium-ion batteries, and sodium-sulfur batteries.
He suggested to encourage the development of energy storage batteries with various technical routes on the basis of considering indicators such as cycle life, scale, safety, economy and energy efficiency.
Zhang Tianren mentioned that the core requirements of the energy storage system are high safety, long life and low cost. From the perspective of cost, the current lead-acid battery has the lowest cost per kilowatt hour, and has the characteristics of short start-up time, fast response speed, and high safety performance. From the point of view, lead-carbon batteries are the technical route suitable for most storage scenarios.
Tianneng has always been an explorer, practitioner and leader in the development of smart energy storage, actively exploring the green, intelligent and global development path of energy utilization, constantly promoting the new development of energy storage technology, and developing a green high-energy energy storage device that has won the China Industrial Award Lead-carbon energy storage battery; cooperate with SAFT, a subsidiary of the world energy giant Total, to jointly develop a new high-end energy storage system.
A large number of energy storage demonstration projects have been built successively, including Changxing Energy Storage Power Station, Quzhou Damaiyuan Energy Storage Power Station, Africa Gambia Energy Storage Power Station, and Africa Photovoltaic Energy Storage Off-Grid Project.
(Tianneng Energy Storage Power Station)