EV battery
The 'full life cycle management' of lithium batteries can solve many problems of lithium-ion batteries
by:Vglory
2021-03-30
At present, the supervision of various aspects of lithium-ion battery production, use, and recycling is still in a state of disorder. In the early stage of battery design and production, relevant agencies have not established standards and conducted effective supervision. The design of lithium-ion batteries is the prerequisite basis for the decomposition and recycling of green and environmentally friendly materials. The state should clarify the relevant legal systems, and regulate the responsibility for the recycling and recycling phases of raw products after consumption; at the same time, the administrative department should strengthen market regulation, optimize organization and management, and further improve the supervision mechanism of the whole life cycle system. Previously, the recycling of power lithium batteries has not attracted widespread attention. It is mainly due to the poor quality and stability of early batteries and it is difficult to form large-scale utilization. This year will usher in a wave of scrapping of new energy vehicles, and the road to commercialization of power lithium battery recycling is about to open. Especially after 2020, as the number of retired batteries of a single model rises sharply, the scale effect and economic value of cascade utilization will be greatly reflected. With the development of science, technology and economy, energy and environmental issues have become increasingly prominent, requiring the uninterruptible power supply industry to develop towards 'green and environmental protection'. From the perspective of my country's policy trends, various countries have introduced various policies to increase support for low-carbon and environmentally friendly economies, which undoubtedly provide better opportunities for the development of low-carbon and environmentally friendly economies. The 'full life cycle management' of lithium batteries can solve many problems of lithium-ion batteries. In addition to the high initial input price, the current difficulties faced by lithium batteries are also worrying about recycling channels. Due to the lack of professional knowledge and equipment, not everyone can Getting started with the recycling of lithium batteries. 'Full life cycle management' directly intervenes in the construction of the full link from production to recycling of lithium batteries. The whole life cycle management can be divided into three stages: design and production, one-time use, and cascade utilization and recycling. The core of battery life cycle management based on status evaluation and prediction is the online diagnosis and prediction of battery status. On the one hand, for battery systems that have been in service for a long time, it is necessary to evaluate and predict the performance of different life stages; on the other hand, it is also necessary to evaluate the evolution of safety performance during the full life cycle of the battery system. Three major issues restricting the development of the lithium-ion battery energy storage industry 1) Hidden safety hazards: Li-ion batteries can easily cause the battery diaphragm to collapse and internal short-circuits due to internal and external factors such as overcharging, overdischarging, overheating, and mechanical collisions. Thermal runaway leads to safety problems; the electrolytes currently used in lithium-ion batteries are mostly flammable or combustible organic solvents, which adds a risk of fire. Traditional safety fire protection measures often cannot effectively suppress the thermal runaway of lithium-ion batteries, which will cause the initial fire to spread rapidly, and then evolve into a large-scale fire. 2) The development of policy standards and technical specifications is lagging: the lithium-ion battery energy storage industry is still in its incubation period, and policies will still be an important driving force for market development. At present, my country’s research on related strategies and policies in this field is insufficient, and the lack of effective guiding policies and incentive measures is not conducive to the further expansion and strengthening of the lithium-ion battery energy storage industry; my country’s technical standards for lithium-ion battery energy storage are still being formulated. At the initial stage, only one national standard and three group standards have been announced. 3) The lagging technical standards has become an important crux that affects the standardized development of the industry, leading to problems such as oversimplification of energy storage project design, fuzzy performance indicators, lack of inspection and testing, and high potential safety risks. At present, there is no large-scale comprehensive inspection institution for the quality of energy storage lithium-ion battery products nationwide. Some inspection items and parameter settings are distributed in more than ten inspection institutions nationwide. The quality and safety of most lithium-ion battery products for energy storage Inspections, especially high-voltage, high-current, and explosion-proof tests are still missing in China. my country Renewable Resources Recycling Association proposed that under current technology and management conditions, relying on code traceability is the most suitable way to ensure the full life cycle management of power lithium batteries. With the continuous improvement and maturity of the vehicle power lithium battery recycling system, the problems behind the coding system are expected to be resolved to a certain extent. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Introduce the safe use of lithium-ion batteries for drone aerial photography
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