Wireless power transmission (WPT) or wireless power transfer refers to transferring energy or power from one place to another without being connected through wires. In this, electromagnetic energy is transferred from power sources to electric loads.

Wired transmission is the most common mode of transmitting electrical energy. Its main drawback, the energy loss during transmission, drives the demand for wireless power transmission. Being fast and consistent, WPT can be used for short and long-range transmissions. A major advantage of WPT is its low maintenance cost. However, there is a high initial cost i.e. capital cost involved in implementing the WPT. Another disadvantage is the interference of microwaves with current communication systems. WPT is generally used for the transfer of energy to remote areas. The major application of WPT is in consumer electronics goods such as laptops, tablets, and smartphones. The largest application of WPT is in solar-power satellites. WPT is also used in fuel-free aircraft, fuel-free electric automobiles, robots, and fuel-free rockets.

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Globally, WPT technology is being accepted positively, and outdated wired power transmission tools are being replaced with the latest technology. Countries like the U.S. are investing high in the adoption of WPT technology, to take full advantage of their power system networks and reduce the installation cost of overhead cables. This technology is still in its initial stage, which provides a huge opportunity for new entrants to enter this market, conditional on their acceptance of the high capital cost. The main drivers for the market area are huge demand by the battery functioned devices globally and a decrease in high tension on Head Cables. The market is expected to show a double-digit growth rate in the coming five years (2015-2020). The growth is majorly driven by the need for technological advancement and new wireless power transmission applications such as solar-power satellites.

Market segmentation for WPT is based on application, technology, transmission types, transmission range and geography. The application segment includes consumer electronics, healthcare, automotive, and defense. Consumer electronics are further subdivided into mobile phones, tablets, laptops, and wearable electronics. Technological segmentation includes near-field or non-radioactive techniques and far-field or radioactive techniques. Based on transmission types, the market is segmented into devices with and without batteries. The market is also segmented based on transmission range which includes short, medium, and long ranges. The regional or geographical segmentation includes regions such as North America, Latin America, Asia Pacific, Japan, Western Europe, Eastern Europe, and Middle East Africa.

Major players involved in the wireless power transmission market are Qualcomm, Leggett Platt, ConvenientPower HK, Energizer Holdings, Inc., and Integrated Device Technology, Inc. Other important companies are Powermat Technologies Ltd., Plugless Power, Texas Instruments, Murata Manufacturing Co., Ltd., and WiTricity. The common strategy adopted by players is a product development and a focus on research development activities.

WPT technology helps make life easy and comfortable. WPT is much better than the traditional form of power transmission. It's an efficient technology that helps in decreasing energy crises and energy loss. Shortly, the world will completely shift towards wireless technology, and the use of wireless devices, as well as wireless power transmission, will be evermore, creating good opportunities for players in this market.