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Beta series Business Pocket Rollable Display PRD4B Power:
[001]~ Li-Ion power
[002]~ Paper battery































































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[001] ~ Li-Ion power
PRD4B is a Li-Ion powered device.

See photos


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[002] ~ Paper battery
Paper battery technology is explored.

Links and news:

Paper battery developer raises $700,000 /EET
~ Enfucell scientists have invented a battery with a printable layer structure
~ it uses paper containing the electrolyte as the separator between anode and cathode
~ SoftBattery is intended for use as a power source in disposable microelectronic equipment such as
~ sensors, smart cards, LEDs on paper, electronic paper, bistable non-volatile displays, and active RFID tags
~ these applications usually require up to 1 milliwatt of power
~ they are suited to Enfucell’s technology, which is based on traditional paper printing
~ the printable battery has a number of advantages over button cell batteries including:
~ low-cost, environmentally friendly, disposable with household waste,
~ flexible in size and shape and easy integration with applications
~ battery converts chemical energy directly into electricity
~ metal is oxidized at one side of paper and manganese oxide, or other oxides,
~ is reduced on the reverse of the paper when the battery is connected
~ metal can be zinc, aluminum, nickel and so on and the paper contains the electrolyte
~ battery provides around 1.5 volts if metal zinc and manganese oxide are used
~ the supply is stable over a wide temperature and humidity range
~ the different voltage requirements of various applications can be realized by using multiple batteries in series,
~ using different chemical materials or applying fuel cell technology


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