Wireless charging technology, a method of contactless electrical energy transmission through electromagnetic fields in space, is gradually transforming the modes of energy supply and management. It boasts broad application prospects in consumer electronics, smart home appliances, and even electric vehicles. However, the large-scale popularization and value realization of this technology are facing a series of structural challenges. These mainly include persistent technological bottlenecks such as inefficiencies, overheating, and concerns over electromagnetic field (EMF) safety; fragmented industry standards leading to inconsistent user experiences and compatibility issues; cost pressures stemming from additional materials and chips; and ecosystem bottlenecks caused by inadequate collaboration among devices, infrastructure, and different brands.

 

 

The technological challenges of wireless charging stem from the disparity between its physical principles and application requirements. Transmission efficiency, especially the performance attenuation over medium and long distances, is a key constraint on user experience. Energy loss rises markedly with increasing transmission distance, which directly widens the gap in charging speed compared with wired fast charging and causes severe overheating—posing stringent demands for the thermal management design of devices. Meanwhile, the long-term concerns of the public and regulatory authorities over EMF safety require technological development to strike a balance between boosting power output and strictly complying with EMF exposure safety limits, which adds complexity to system design.

 

 

On the standard front, while the Qi standard and its upgraded version Qi2 strive to unify the market, the actual ecosystem remains fragmented. Many manufacturers, in pursuit of product differentiation and the construction of proprietary ecosystems, tend to develop and prioritize their own high-power protocols. As a result, even with a universal standard, optimal compatibility cannot be guaranteed between devices and chargers of different brands. The disconnect between the pace of standard advancement and market demand further exacerbates such fragmentation, which not only drives up the overall costs of the industrial chain but also severely hinders the construction of universal public charging infrastructure and the consistency of user experience.

 

 

Cost is a core factor impeding the penetration of wireless charging into the mid-to-low-end market and broader application scenarios. Compared with wired solutions, wireless charging modules inevitably incur significant additional costs due to the need for extra coils, magnetic materials, shielding layers, and sophisticated control chips. In price-sensitive markets such as consumer electronics, this cost increment directly affects consumers' willingness to adopt the technology. Cost reduction relies on the dual drivers of technological innovation and industrial economies of scale, yet the formation of economies of scale is premised on resolving technological bottlenecks and unifying standards—creating a vicious circle that needs to be broken.

 

The 2026 World Charging Technology and Infrastructure Systems Exhibition showcases full industrial chain innovation achievements, spanning upstream core semiconductor devices, advanced magnetic materials, and high-efficiency thermal management solutions to end products and intelligent energy management systems. By bringing together representatives of global standard organizations, leading chip manufacturers, equipment makers, infrastructure operators, and terminal brands, the exhibition is committed to facilitating discussions on common technological challenges, accelerating the formation of industrial consensus on new standards and protocols, and demonstrating feasible paths to cost reduction through innovative design.

 

Such cross-industrial chain centralized exchanges and collaborations aim to convert scattered R&D efforts into coordinated industrial progress, clearing the hurdles for wireless charging to evolve from laboratory innovation and proprietary ecosystems to open, interconnected, and inclusive large-scale applications.

 

The maturation and popularization of wireless charging technology hold significance far beyond providing a convenient energy replenishment method. It is a key enabling technology for achieving full "cable-free" operation of devices and building truly seamless smart spaces. Its in-depth application—across medical devices, industrial automation, smart homes, and electric vehicles—will drive fundamental transformations in product forms and user experiences across various industries.

 

Ultimately, an efficient, safe, and ubiquitous wireless power supply network will become an indispensable infrastructure in future smart cities and sustainable energy systems, providing enduring impetus for human society to move toward a higher level of digitalization and intellectualization.