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China urges citizens to trade in 'old lithium e-bikes' for newer lead acid electric bikes (electrek.co)

submitted 1 day ago by [email protected] to c/[email protected]

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[–] [email protected] 11 points 3 hours ago (1 children)

It's in the article:

Over the last decade or so, China has seen a shift from older AGM batteries, which are heavy and bulky, toward lighter and longer-lasting lithium-ion batteries.

However, safety concerns regarding rare yet dangerous lithium-ion battery fires have put a pause on that proliferation. The government instituted new safety standards for lithium-ion batteries in e-bikes last year, but there’s also been a major pushback toward AGM batteries for the domestic market.

[–] [email protected] 1 points 27 minutes ago* (last edited 27 minutes ago)

Do you know that LiFePO4 cells are the same price (in Europe), longer-lasting, lighter and safer than traction lead-acid ones? They pretty much have no disadvantages to lead-acid, and the need of a BMS (and heater if needing to charge below freezing or run below -4 °F/-20 °C) is no problem since those are a fraction of the cells' price. The only reason I see behind this move would be acute lithium shortage in China.