@taskmaster4450le "## [China cell turns heat into electricity without..." by taskmaster4450le

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hive-167922 · @taskmaster4450le · Nov 28 '24

@taskmaster4450le "## [China cell turns heat into electricity without..."

## [China cell turns heat into electricity without sun, works in dark and deserts](https://interestingengineering.com/energy/hydrovoltaic-cell-electricity-no-sunlight-china) 
The HHC generated a stable electricity output for 160 hours with negligible water consumption making it ideal for deployment in water-scarce areas.

A novel hydrovoltaic cell developed by researchers at the Chinese Academy of Sciences (CAS) can continuously generate electricity using little water and no sunlight. This feature could help deploy the device in remote places, in harsh conditions, and at night when solar-powered energy generators do not work. 

With the increasing demand for cleaner sources of energy, researchers are working on innovative approaches that can help us meet our energy demands without the carbon emissions seen from fossil fuels. 

#china #electricity #heat #energy

👍 elijahh

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@taskmaster4450le · Nov 28 '24

@taskmaster4450le "A hydrovolcanic cell generates electricity by abso..."

A hydrovolcanic cell generates electricity by absorbing energy from the interaction of water with other surfaces. Like their photovoltaic counterparts, hydrovolcanic cells depend on sunlight to power their operations, and their outputs have been limited by environmental conditions like sunlight and wind. 

Typically hydrovoltaic cells require a continuous supply of water and low humidity environments to function at their best efficiencies. However, researchers at CAS overcame this by hermetically sealing the cell and making it an almost closed system that can operate without being impacted by external conditions.

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@taskmaster4450le · Nov 28 '24

@taskmaster4450le "How does the hydrovoltaic cell work? The hermetic..."

How does the hydrovoltaic cell work? 
The hermetic hydrovolcanic cell (HHC) consists of an internal electricity generation unit made from carbon black and tissue paper. 

A small heterogenous wicking bilayer designed for the cell sets up a continuous water circulation using capillary flow from the tissue paper and slight fluctuations in the ambient temperature that cause evaporation. 

The electricity generation unit converts ambient heat into power output. According to the researchers, their unit generated a stable electricity output for 160 hours with negligible water consumption, making it ideal for deployment in water-scarce areas such as deserts or even underground engineering sites.

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