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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‘Nirdiganta’ expands to coastal Karnataka; theatre initiative to be launched in Udupi on January 18
Udupi: After making a mark in Mysuru through continuous theatre activity over the past two-and-a-half years, theatre collective ‘Nirdiganta’ is set to expand its presence to coastal Karnataka, with the launch of ‘Karavaliya Nirdiganta’ in Udupi on January 18.
Addressing a press conference at the Udupi Press Club on Wednesday, theatre practitioner and actor Prakash Raj, one of the founders of Nirdiganta, said the initiative aims to take theatre closer to people through regular performances, workshops and interaction with audiences.
He said the coastal edition of Nirdiganta will feature a three-day programme comprising children’s plays, an educational theatre workshop and stage productions by different theatre groups. All events will be held from January 18 to 21 at the IYC auditorium of Yakshagana Kalaaranga.
“Nirdiganta began in Srirangapatna and has now come to the coast seeking a new bond with theatre lovers here. Let us watch plays together, talk, and share experiences,” Prakash Raj said.
Children’s plays and workshop on opening day
On the first day, January 18, three children’s plays, an educational theatre workshop and the inaugural ceremony will be held.
From 10.30 am to 11.45 am, students of Aruru Morarji Desai Residential School will stage the play Mruga Mattu Sundari, directed by Bindu Rakshidi. This will be followed by the science-based children’s play Curious by students of Karnataka Public School, Kokkarne, from 12.30 pm to 1 pm. The play, which has won a state-level award recently, is written by Varadaraj BirtI and directed by Rohith S. Baikadi.
An educational theatre workshop will be held from 2.30 pm to 4.30 pm, where teachers from the coastal region who have long been associated with both education and theatre will share their experiences. Participants include education expert Dr Mahabaleshwara Rao, DIET Udupi lecturer Dr K Kishore Kumar Shetty, Manipal ENGJC vice-principal Nagendra Pai, teacher Varadaraj BirtI, Surabhi institution’s Sudhakar P Baindoor, and theatre director Arunlal.
Inauguration and evening performances
The inauguration of Karavaliya Nirdiganta will take place at 6 pm on January 18. Writer and thinker Fakir Mohammed Katapadi will inaugurate the event in the presence of Prakash Raj. This will be followed by the children’s play Kuni Kuni Navile, written by H S Venkatesh Murthy and directed by Rohith S. Baikadi.
On January 19 at 6.30 pm, the play Devara Aatmahathye, based on writings by Beechi and Srinivasa Vaidya, will be staged by the Sangama Kalavidera team from Manipal. The play is adapted and directed by Ramesh K Benakal.
On January 20 at 6.30 pm, Nirdiganta will present the play Rama, Krishna, Shiva, based on the writings of Lohia, with adaptation, music and direction by Ganesh Mandarthi.
On the concluding day, January 21, the programme Samateya Haadu will be presented at 6 pm in the presence of Prakash Raj. This will be followed by the play Kodalla Andre Kodalla, adapted from Dario Fo’s Can’t Pay? Won’t Pay?, from 7.15 pm to 9.15 pm. The concept, design and direction of the play are by Shakeel Ahmed.
Raju Manipal, Ganesh Mandarthi, Shakeel Ahmed and others were present at the press conference.
Views on governance and cinema
Responding to a question on Chief Minister Siddaramaiah completing a long tenure in office, Prakash Raj said records are made by many leaders, but Devraj Urs and Siddaramaiah belong to different times and contexts and cannot be directly compared. He said it would be good for the Chief Minister to maintain stronger control over administration and address allegations of corruption in his close circles to ensure transparent governance.
He said he congratulated Siddaramaiah and described him as a strong backward-class leader, but added that he is not someone who only praises and will also raise questions when required. “We are not a political party. We are a continuous opposition,” he said.
On his career, Prakash Raj said he does not believe in looking back and prefers to keep moving forward, adding that the journey of life matters the most.
Speaking about upcoming films, he said he is acting in Rajamouli-directed Varanasi, Purushavatara, Jananayagan starring actor Vijay, and the Hindi film Drishyam 3.
