Liquan Chen made his first foray into solid-state battery research.

China's first all-solid-state lithium battery was developed by Institute of Physics, Chinese Academy of sciences.

Beijing WELION New Energy Technology Co.,Ltd. was founded.

Nominated as the sole solid-state battery industrialization platform of Renewable Energy Laboratory of Institute of Physics, CAS.

Received the prize of "New and High Technology Enterprise";

300Wh/kg solid-state  power battery system passed acceptance inspection by strategic pilot science and technology project of CAS.

Nominated as an enterprise postdoctoral research station;

World's first company to launch the 270Wh/kg(3-5C) for drone solid-state battery product.

Liyang Base in Jiangsu was commissioned;

First proposed the notion of intrinsic safety of  lithium battery and participated in the drafting of relevant national standards;

Four cells won the first place in the "Extreme Challenge Category," all of which 

Reached strategic cooperation with NIO and  jointly issued 1000 km range solid-state battery;
Established a joint venture with SEMCORP to jointly develop ion conductor membrane products;
Signed strategic cooperation agreements with Ronbay Technology and Easpring;
Established a energy storage  joint venture with HyperStrong and GENNAR;
Beijing Development and Reform Commission officially approved WeLion to set up advanced solid-state battery engineering research center.

Huzhou Base in Zhejiang was commissioned;

Awarded specialized and sophisticated enterprises as "Little Giants" 

Leading a NEV special project from Ministry of Science and Technology;

Established a joint venture with Tianqi Lithium and ORG separately;

Zibo Base in Shandong was commissioned;

360Wh/kg solid-state battery was formally delivered to NIO;

Slurry subsidiary was founded in Shaoxing Binhai New Area;

Established a joint venture with Levima ;

Officially become a member unit of the National Ne