固态电池关键材料体系发展研究

Development of Key Material System for Solid-State Batteries

固态电池技术是发展兼具高能量密度、高安全性、长寿命和低成本的下一代电池的重要保证,当前全球主要国家及地区均在加快布局固态电池研发和产业化。本文从固态电池关键材料的技术体系、产业体系和支撑体系3个方面着手,综述了国际固态电池关键材料体系的发展现状,分析了美国、欧洲、日本、韩国等国家和地区的固态电池技术发展路径、产业规模和支撑体系建设情况,梳理了我国固态电池关键材料体系的发展现状并提出了发展目标。研究发现,我国固态电池正处于推广发展期,在关键原材料、关键科学技术瓶颈突破、规模化量产及产业化应用等方面面临挑战。研究建议,坚持分步发展固态电池的总体策略,设立国家级固态电池发展规划和重大科技专项,推动固态电池技术研发机构建设,促进固态电池市场化应用及产业转型,优化固态电池生态环境建设,实现我国固态电池产业领跑世界。

The solid-state battery is crucial for achieving the next-generation batteries that possess high energy density,high safety,long service life,and low cost.Major countries and regions are rapidly advancing the research and industrial application of solid-state batteries.This study reviews the development status of key material systems for solid-state batteries worldwide from the aspects of technological,industrial,and supporting systems.It analyzes the technical development paths,industrial scales,and supporting systems of solid-state batteries in countries and regions including the United States,Europe,Japan,and Republic of Korea,and summarizes the development status and goals of the key material system for solid-state batteries in China.Our study reveals that the solid-state batteries are currently in a promotion stage in China,facing challenges in terms of key raw materials,breakthroughs in critical scientific and technological bottlenecks,mass production,and industrial application.To promote the development of solid-state batteries in China,we propose the following suggestions:(1)adhering to an overall staged-development strategy for solid-state batteries,(2)establishing national-level development programs and major scientific and technological projects for solid-state batteries,(3)promoting the construction of technology research and development institutions for solid-state batteries,(4)encouraging the market application and industrial transformation of solid-state batteries,and(5)optimizing the solid-state battery ecosystem.