专利视域下全球锂硫电池技术竞争态势分析
孙玉琦, 魏凤, 周洪, 周超峰

Analysis of global lithium-sulfur battery technology competition from the perspective of patent
Yuqi SUN, Feng WEI, Hong ZHOU, Chaofeng ZHOU
图7 锂硫电池领域申请人专利技术主题聚类气泡图
Fig. 7 Bubble chart of patent technology theme clustering of applicants in the field of lithium-sulfur batteries