> There are some kinds of battery that only work at those temperatures - molten salt batteries. Used on earth for a few types of missile and some grid batteries.
Not an expert in batteries but Wikipedia says molten salt batteries provide high amount of power only for a short period of time:
> Once activated, they provide a burst of high power for a short period (a few tens of seconds to 60 minutes or more), with output ranging from watts to kilowatts.
Not an expert in batteries but Wikipedia says molten salt batteries provide high amount of power only for a short period of time:
> Once activated, they provide a burst of high power for a short period (a few tens of seconds to 60 minutes or more), with output ranging from watts to kilowatts.
Source: https://en.m.wikipedia.org/wiki/Molten-salt_battery