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Qi

Qi ; coming from the Chinese word meaning "natural energy", is an interface standard developed by the Wireless Power Consortium for inductive electrical power transfer over distances of up to 4 cm (1.6 inches). The Qi system comprises a power transmission pad and a compatible receiver in a portable device. To use the system, the mobile device is placed on top of the power transmission pad, which charges it via resonant inductive coupling.

Mobile device manufacturers that are working with the standard include Asus, HTC, Huawei, LG Electronics, Motorola Mobility, Nokia, Samsung, BlackBerry, and Sony. The Wireless Power Consortium was established in 2008, and is an open-membership cooperation of Asian, European, and American companies in various manufacturing industries. The consortium aims to create a global standard for inductive charging technology.

In March 2015, homeware company Ikea partnered with the Wireless Power Consortium to build Qi wireless device chargers into a line of lamps and other small pieces of furniture like bedside tables.

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