Tokyo, Reuters-GS Yuasa in Japan will start mass production. As early as 2020, a new lithium was produced. According to the Nikkei business daily on Tuesday, the ion battery will double the battery life of the electric car and keep the price stable. The report showed that the company's share price rose 15% in early trading. The new battery will be developed by a joint venture between Mitsubishi and Mitsubishi Motors and will be supplied to Japanese and European automakers, the paper said.