New hydrogen battery devloped by Tokyo's Institute Researchers that operates at a significantly lower temperature of 90 °C (194 °F) by moving hydride ions through a solid electrolyte. This breakthrough addresses a key obstacle for hydrogen-powered vehicles—safe and efficient storage—by providing a practical alternative to traditional high-temperature, low-capacity methods. The new technology uses magnesium hydride as the anode and allows for the repeated, full-capacity storage and release of hydrogen, making hydrogen fuel cell vehicles more feasible for wide adoption. How the breakthrough works Low-temperature operation:- The battery operates at a more manageable 90 °C, a substantial drop from the 300–400 °C threshold required by earlier methods.

 New hydrogen battery devloped by Tokyo's Institute Researchers that operates at a significantly lower temperature of 90 °C (194 °F) by moving hydride ions through a solid electrolyte. This breakthrough addresses a key obstacle for hydrogen-powered vehicles—safe and efficient storage—by providing a practical alternative to traditional high-temperature, low-capacity methods.
  The new technology uses magnesium hydride as the anode and allows for the repeated, full-capacity storage and release of hydrogen, making hydrogen fuel cell vehicles more feasible for wide adoption.  
How the breakthrough works 
Low-temperature operation:-
  The battery operates at a more manageable 90 °C, a substantial drop from the 300–400 °C threshold required by earlier methods.
Solid electrolyte: -
The battery uses a solid electrolyte to transport hydride ions, allowing magnesium hydride to function as the anode.
Hydride ion movement: -
 Hydrogen is stored and released by the movement of hydride ions through the solid electrolyte, facilitating the repeated cycles of storage and release.
Significance for hydrogen-powered vehicles
Enhanced storage efficiency: -
The new design offers a safer and more efficient way to store hydrogen fuel for use in vehicles. 
Increased practicality: -
By overcoming the high-temperature and low-capacity limitations of previous methods, this innovation could pave the way for widespread adoption of hydrogen fuel cell vehicles. 
Environmental benefits: -
Hydrogen fuel cell vehicles produce only water vapor as a byproduct, eliminating tailpipe emissions and offering a path toward carbon-free mobility. 
Faster refueling:-
 A potential advantage of hydrogen fuel cell vehicles is their ability to refuel in a shorter time frame compared to battery-electric vehicles. 

MJF Lion ER YK Sharma 

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