Crime-fighting robots with access to citizen databases will be patrolling the streets by 2084, according to an academic at the University of Sheffield.

Robotics expert Professor Noel Sharkey predicts that humanoid robots, that are able to arrest people, will have access to integrated databases of information on British citizens, including bank accounts, tax and movements, to enable them to identify who people are.

The “superior knowledge robots” will, according to Sharkey, be able to use their “super strength and inability to feel pain” to arrest criminals.

They will have human features and will be able to detect weapons including guns, knives and explosives, and recognise drunks and aggressive behaviour in large areas.

By 2070, police will also have the aid of autonomous police cars, which will be able to recognise speeding cars, identify license plates and automatically take fines from bank accounts and add points on driving licences.

The project examined the future of the robot in the UK and how it will be developed to aid police. The research was based on recent robotic developments around the world, and on current ideas and trends from robotics experts.

Toyota Motor Corp. said Wednesday that it plans to start producing lithium-ion batteries next year as it races against rivals to develop new high-mileage hybrid vehicles.

Toyota, seeking to keep its lead in the growing hybrid market amid rising petrol prices, said its joint venture with Matsushita Electric Industrial Co. will move into full-scale production of lithium-ion batteries in 2010.

The Japanese giant was a pioneer of hybrids, which are equipped with an electric motor and a standard petrol engine to make them more economical.

The firm is poised to overtake General Motors this year as the world’s top automaker but faces renewed competition from other Japanese firms, such as Honda, and overseas rivals in the green automobile race.

Toyota said it would also step up efforts to development a next-generation battery that can outperform lithium-ion batteries.

Automakers have for years been competing to develop lithium-ion batteries suitable for long distance hybrids, but there have been safety concerns after massive recalls of the same type of battery by laptop computer manufacturers.

Nissan Motor Co. said last month it and NEC Corp. will invest 115 million dollars to mass produce new lithium-ion batteries batteries for electric, hybrid and fuel-cell vehicles.

German automaker Volkswagen AG has teamed up with Japan’s Sanyo Electric to develop a lithium-ion battery for next-generation hybrids.