A Japanese startup unveils a long-lasting and safer battery made from carbon

Gigaom - A battery that lasts longer, is safer, charges faster and is less expensive than a standard lithium ion battery: That’s the powerful idea behind a new type of battery under development by a young Japanese startup called Power Japan Plus, or PJP, which came out of stealth on Tuesday. The year-old company uses carbon for both the anode and the cathode portion of the battery and hopes to start producing it later this year.  Read more.