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原始链接: https://news.ycombinator.com/item?id=43396853

Hacker News用户正在讨论比亚迪新的快速充电系统,声称其速度可能与加油一样快。 Mashimo表达了对1兆瓦充电对电池寿命的长期影响的担忧,认为它可能最适合像长途旅行这样的不频繁使用。Kuinox纠正了Mashimo的单位使用,澄清“m”是毫,“M”是兆。Wruza建议“m”可能是“metric mega”(公制兆瓦),而mgnn从未听说过这个说法。 Teamonkey提到,中国的电池订阅模式可以减轻消费者对快速充电导致电池老化的担忧。Swiftcoder认为兆瓦级充电器的主要用途将是高速公路上的快速补充电量,而不是家庭充电。 Nikanj讽刺地评论了“电池突破”公告的频繁程度,而jabiko则反驳说,这一特定发展可以真正解决潜在电动汽车买家的里程焦虑问题。


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BYD says new fast-charging system could be as quick as filling up a tank (theguardian.com)
21 points by gokhan 39 minutes ago | hide | past | favorite | 8 comments










1 mW charging. Impressive if the battery can handle that on the long run. Though I guess for a lot of users it will not be used often, only on long vacation trips or similar.


In SI unit m means mili and M means mega.


I thought maybe “m” means “metric mega” as usual in US, so.


This is the first time I hear about "metric mega", and I hang out a lot here, where Americans use their units without explanation.


I believe in China EV batteries are commonly on some kind of subscription system, replaced at service intervals or when they run low, so from a consumer point of view it doesn't matter so much if it shortens the battery life. If you’re buying the pack outright it matters more.


Yeah, I think the goal of these systems is not that everyone has a MW charger in their home. You still (relatively) slow-charge the car at night, and only use the MW chargers for infrequent highway top-ups


Oh look, a new battery breakthrough. Must be a day that ends in y


I'm not sure whether this negativity is justified. It seems like a genuine breakthrough that could alleviate the range anxiety of many people who are interested in EVs but not fully convinced.






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