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Dual carbon battery claims to outperform Li-ion cells

Posted: 16 May 2014     Print Version  Bookmark and Share

Keywords:Power Japan Plus  Dual carbon battery  lithium ion  electric vehicle  carbon 

Power Japan Plus, a Japanese startup, has unleashed a battery technology that claims to offer a more sustainable, safer, longer-lasting and cost-effective performance with an energy density comparable to a lithium ion battery. According to the company, the Ryden dual carbon battery uses novel chemistry that sees both the anode and the cathode made of carbon.

Power Japan Plus is a materials engineering company for a new class of carbon material that balances economics, performance and sustainability in a world of constrained resources, said Dou Kani, CEO of Power Japan Plus. The Ryden dual carbon battery is the energy storage breakthrough needed to bring green technology such as electric vehicles to mass market.

The Ryden battery features a balance of various consumer demands previously unattainable by single battery chemistry. Energy dense the battery claims to charge 20 times faster than lithium ion batteries and is also more powerful than other advanced batteries, operating above 4V.

Ryden dual carbon battery

The battery is capable of slotting directly into existing manufacturing processes, requiring no change to existing manufacturing lines. Even more, the battery allows for consolidation of the supply chain, with only one active material, carbon. Additionally, manufacturing of the Ryden battery is under no threat of supply disruption or price spikes from rare metals, rare earth or heavy metals.

The Ryden battery claims to be the first ever high performance battery that meets consumer lifecycle demand, rated for more than 3,000 charge/discharge cycles. The battery also claims to be the safest high performance battery chemistry ever developed. The Ryden battery eliminates the unstable active material used in other high performance batteries, greatly reducing fire and explosion hazard. Even more, the battery experiences minimal thermal change during operation, eliminating the threat of a thermal runaway. The Ryden battery can be 100 per cent charged and discharged with no damage to the battery.

The battery also has a number of sustainability benefits and contains no rare metals, rare earth metals or heavy metals, and is 100 per cent recyclable, vastly improving the cradle-to-cradle sustainability of an advanced battery. Power Japan Plus is testing the Ryden battery with its organic Carbon Complex material, working towards the goal of producing the battery with all organic carbon in the future.

Current advanced batteries have made great improvement on performance, but have done so by compromising on cost, reliability and safety, said Kaname Takeya, CTO of Power Japan Plus. The Ryden dual carbon battery balances this equation, excelling in each category.

Power Japan Plus will begin benchmark production of 18650 Ryden cells later in 2014 at the company's production facility in Okinawa, Japan. The facility will allow the company to meet demand for specialty energy storage markets such as medical devices and satellites. For larger demand industries, such as electric vehicles, Power Japan Plus will operate under a licensing business model, providing technology and expertise to existing battery manufacturers to produce the Ryden battery.

Power Japan Plus is developing the dual carbon battery technology in partnership with Kyushu University in Fukuoka, Japan.

- Paul Buckley
  EE Times Europe

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