Chinese Startup develops nuclear battery for smartphones that will last 50 years without charging
Betavolt, a Chinese startup, claims a groundbreaking achievement with the development of a nuclear battery that can power smartphones for an impressive 50 years without requiring charging. This nuclear battery, deemed the world's first miniaturized atomic energy system, utilizes 63 nuclear isotopes packed into a module smaller than a coin.
The technology involves converting energy released by decaying isotopes into electricity, a concept first explored in the 20th century and now realized by Betavolt. The startup has initiated pilot testing and plans to mass-produce the battery for various applications, including smartphones and drones.
In their press release, Betavolt stated, "Betavolt atomic energy batteries can meet the needs of long-lasting power supply in multiple scenarios, such as aerospace, AI equipment, medical equipment, microprocessors, advanced sensors, small drones, and micro-robots." They believe this innovation will provide China with a competitive advantage in the AI technology era.
The initial nuclear battery by Betavolt delivers 100 microwatts of power with a voltage of 3V, measuring a tiny 15x15x5 cubic millimeters. The company aims to produce a battery with 1 watt of power by 2025. The small size allows for multiple units to be connected, increasing power output, envisioning a future where mobile phones never need charging, and drones can fly indefinitely.
Ensuring safety, Betavolt's design features a layered structure to prevent fire or explosions when subjected to sudden force. The battery can operate in a wide temperature range, from -60 degrees Celsius to 120 degrees Celsius.
To create the battery, Betavolt used nickel-63, a radioactive element, as the energy source, employing diamond semiconductors for energy conversion. The team developed a thin single-crystal diamond semiconductor and placed a nickel-63 sheet between two diamond semiconductor converters. The radioactive source's decay energy is then converted into electrical current.
Addressing radiation concerns, Betavolt assures users of safety, stating no external radiation. It is deemed suitable for use in medical devices inside the human body, such as pacemakers and cochlear implants. After the decay period, the isotopes transform into a stable, non-radioactive isotope of copper, posing no environmental threat.
The BV100 battery by Betavolt is also considered more secure than conventional batteries, not catching fire or exploding when punctured or exposed to high temperatures.
The development of miniaturized nuclear batteries has been a longstanding goal, and Betavolt's breakthrough technology has the potential to revolutionize electronics by eliminating the need for chargers or portable power banks.
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Protesting ASHA workers to cut their hair to intensify agitation in Kerala
Thiruvananthapuram(PTI): The ASHA workers protesting outside the Secretariat here have announced that they will intensify their agitation by staging a 'hair cutting demonstration' on Monday as their stir enters 50th day.
As the government has not made any favourable decision, a section of protesters launched an indefinite hunger strike at the protest venue here last week.
Mini S, one of the leaders of the protesting ASHA workers, criticised Chief Minister Pinarayi Vijayan on Sunday for remaining silent about their agitation and said they would not backtrack from the stir until the government accepts their demands.
"The CM is concerned even about animals, birds and other creatures in the wake of the heat wave warning in the state. But, he has not uttered any word on these ASHA workers who have been protesting under scorching sun for the last 50 days," she told reporters here.
She said she had cut her hair several times before but it is for the first time that she is doing it as part of a protest.
"Not just me, ASHA workers who arrive here from several districts will cut their hair as part of the protest. It will become a significant episode in the agitation," the leader added.
A section of ASHA workers have been protesting outside the Secretariat here for the last several weeks raising various demands including post-retirement benefits and an increase in honorarium.
The Left government in the state made it clear that such a steep hike in honorarium is not practically possible and said it was the responsibility of the Centre to address the demands of the ASHA workers.
According to the government, it has not received any cash grant from the central government under the National Health Mission (NHM) for 2023-24 for payment towards various Centrally sponsored schemes, including ASHA.
The central government has, however, rejected the state's claims and contended that it has given what was due, but the utilisation certificate did not come from Kerala.
It said that once the certificate comes, the requisite amount would be given to the ASHA workers and the state.
Union Health Minister J P Nadda had also announced in the Parliament that the Mission Steering Group of the NHM has decided to raise the incentives for ASHA workers.
