High altitude wind energy is a clean energy source with abundant reserves and wide distribution. High altitude wind power systems are used to convert high altitude wind energy into electrical energy by means of a tethered aircraft device. Compared with traditional wind power generation, high-altitude wind power generation has the advantages of high-power generation efficiency, strong stability, and fewer restrictions on site selection. However, problems such as the difficulty of breaking through the stabilization and control technology of high-altitude wind power generation and the difficulty of obtaining manufacturing materials have also constrained the development of high-altitude wind power generation. Combined with the current actual development of high-altitude wind power generation, it summarizes and refines the types of high-altitude wind power generation systems, key technologies, development status, problems, and development trends. Firstly, around the design of high-altitude wind power generation system, three kinds of high-altitude wind power generation system design technologies are introduced and their respective advantages and disadvantages are elaborated; then, three key technologies in the high-altitude wind power generation system are proposed and discussed in detail. Finally, the research direction and development prospect of the development and application of high-altitude wind power generation technology are discussed, aiming to provide reference, and thinking for the future research of high-altitude wind power generation.

In recent years, under the goal of "carbon peak and carbon neutrality", the field of renewable energy has made great progress. Offshore wind power technology is expected to become the mainstay of green energy sources in the future due to its advantages of abundant resources and large utilization prospects. But at present, offshore wind farms, especially far-reaching offshore wind farms, are still faced with problems such as difficulty in construction and immaturity of wind power consumption technology. This paper first introduces the current development status of offshore wind power, analyzes the advantages and disadvantages of current offshore wind power transmission technology, introduces the current new technologies in the field of offshore wind power, analyzes and summarizes the offshore wind power hydrogen production technology and hydrogen transfer technology. Combined with the development trend, this paper summarizes the development of offshore wind power in the future, which should be divided into two main lines: offshore wind power and far-reaching offshore wind power, puts forward the view that the development of offshore wind power and hydrogen energy should be closely combined, introduces the idea of combining offshore wind power with hydrogen storage and energy storage, and forecasts the prospect of offshore wind power and far-reaching offshore wind power respectively, which can provide ideas for solving the problems faced by offshore wind power sites. It can also provide reference for the further development of offshore wind power.

The implementation of China's power demand response is affected by the policy and the degree of marketization, and the lack of mature incentive mechanism leads to insufficient incentives that affect the enthusiasm of the response, and the construction of demand response projects is facing many challenges. Therefore, establishing and improving the demand response incentive mechanism and digging more flexible and adjustable resources are important means to ensure the balance of the new power system. Firstly, based on the basic concepts of power demand response incentive methods, implementation necessity and feasibility, this paper investigates and analyzes the theoretical research results of power demand response at home and abroad from the perspectives of demand response potential evaluation methods, incentive methods, implementation strategies of market players and response effect evaluation. Secondly, it also analyzes the significance of the construction status of foreign power demand response projects, and summarizes the domestic power demand response policy orientation, implementation status and practical experience. Finally, after comprehensively considering the theoretical results and practical experience of the implementation of power demand response, relevant suggestions are put forward for the future power demand of China.

Sensible heat energy storage technology of particle packed bed has the advantages of simple system structure, low construction and operation costs, and wide operating temperature range. It has huge application potential in new energy consumption, industrial waste heat utilization, and clean heating. This article first introduces sensible heat energy storage technology of particle packed bed from two aspects: energy storage materials and energy storage containers, and summarizes the latest research progress in this field. It summarizes and analyzes the influence of various design parameters on the airflow resistance characteristics, heat storage characteristics, and thermal stratification characteristics of the packed bed. The techno-economic viability analysis of recyclable solid waste as a new type of energy storage material is conducted, aiming to provide reference for the optimization design of particle packed bed sensible heat storage systems. The research results indicate that the heat capacity of the bed is the most critical factor affecting the energy storage characteristics of the packed bed. Compared with existing energy storage materials, recycling and reusing solid waste into packed energy storage materials has significant relative advantages.

The inverted perovskite solar cells have garnered significant attention due to their high stability, ease of large-scale fabrication, and suitability for tandem structures. The hole transport layer, as a crucial component of perovskite solar cells, plays a vital role in hole extraction and transport, surface passivation, perovskite crystallization, and device stability. To explore efficient, stable, highly transparent, and low-cost hole transport layers that can facilitate the commercialization of perovskite solar cells, this article reports on recent advancements in inorganic and organic hole transport materials utilized in this field. It also outlines the corresponding preparation methods with the aim of achieving high-performance, high-stability, and cost-effective perovskite solar cells.