CAPSLOCKSTUCK
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The magnesium battery design is safer than traditional lithium batteries - which are flammable and can explode - but its ability to store energy has been limited, until now.
A new study reported a new design for the battery's cathode - the electrode from which the electric current flows - and this is what allows for the battery's increased storage capacity.
One of the challenges that the research team faced was inserting the magnesium-chloride electrolyte inside the battery.
Researchers used to think that the magnesium-chloride bond needed to be broken before inserting it into the battery, but the new battery design upends this thought.
'Magnesium ion is known to be hard to insert into a host,' said postdoctoral fellow Dr Hyun Yoo, first author on the study.
'First of all, it is very difficult to break magnesium-chloride bonds.
'More than that, magnesium ions produced in that way move extremely slowly in the host.
'That altogether lowers the battery's efficiency.'
Instead, the new battery stores energy by inserting magnesium monochloride, without breaking the bong, into a 'host' - such as titanium disulfide.
By retaining the magnesium-chloride bond, t he cathode showed much faster diffusion of electrolytes than traditional magnesium battery versions and the charge that the cathode could store doubled
A new study reported a new design for the battery's cathode - the electrode from which the electric current flows - and this is what allows for the battery's increased storage capacity.
One of the challenges that the research team faced was inserting the magnesium-chloride electrolyte inside the battery.
Researchers used to think that the magnesium-chloride bond needed to be broken before inserting it into the battery, but the new battery design upends this thought.
'Magnesium ion is known to be hard to insert into a host,' said postdoctoral fellow Dr Hyun Yoo, first author on the study.
'First of all, it is very difficult to break magnesium-chloride bonds.
'More than that, magnesium ions produced in that way move extremely slowly in the host.
'That altogether lowers the battery's efficiency.'
Instead, the new battery stores energy by inserting magnesium monochloride, without breaking the bong, into a 'host' - such as titanium disulfide.
By retaining the magnesium-chloride bond, t he cathode showed much faster diffusion of electrolytes than traditional magnesium battery versions and the charge that the cathode could store doubled