[KongchangAI]
Unverified60% confidenceFactExact time

The energy density of lithium-ion batteries increased from approximately 80 Wh/kg in the early 1990s to approximately 150–200 Wh/kg in 2007.

2
Sources
60%
Confidence
Long-term
Relevance
8/31/2026
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/827642
API
curl https://kongchang.com/api/v1/knowledge/claims/827642
MCP
get_claim(id=827642)