Core Viewpoint - The article highlights the development of a flexible perovskite solar cell phone case by a team at Nanhua University, which can charge devices using sunlight without the need for an external power source [1][3]. Group 1: Technology and Innovation - The flexible perovskite solar cell is lightweight, bendable, and can be applied to various surfaces such as backpacks and drone wings, addressing the limitations of traditional rigid solar panels [3][4]. - The project team focuses on overcoming three main technical challenges: the brittleness of ITO electrodes, the fragility of perovskite films, and the separation at the interlayer interface [3][4]. - Innovations include the development of a PEDOT:PSS transparent flexible electrode to replace brittle ITO materials, and the introduction of grain molecular bridging technology to enhance film durability [4][6]. Group 2: Market Potential and Applications - The technology has resulted in small-area battery devices and large-area flexible battery modules, with successful applications in three companies and an intention to order worth 10 million yuan [6]. - The global market for perovskite solar cells is projected to reach nearly $250 million by 2024, with a compound annual growth rate of 71.5% expected by 2032 [6]. - The project team aims to optimize material formulations and production processes to enhance efficiency and uniformity, targeting a future efficiency of 90% after 10,000 bends [6].

Group 1 - China Huaneng Group Clean Energy Technology Research Institute Co., Ltd. applied for a patent for "Perovskite Solar Cells with Reconstructed Interfaces and Their Preparation Method" on May 2025, with publication number CN120475881A [1] - The patent describes a preparation method for perovskite solar cells, which includes multiple steps such as providing a conductive substrate, preparing an electron transport layer, and forming a reconstructed layer on the perovskite light-absorbing layer [1] Group 2 - China Huaneng Group Clean Energy Technology Research Institute Co., Ltd. was established in 2010, located in Beijing, with a registered capital of 1,337.57 million RMB [2] - The company has invested in 12 enterprises, participated in 4,347 bidding projects, and holds 5,000 patent information records [2] - Huaneng Qinghai Power Generation Co., Ltd. was established in 2014, located in Xining, with a registered capital of 2,210.86 million RMB [2] - This company has invested in 5 enterprises, participated in 1,246 bidding projects, and holds 115 patent information records [2]

实验结果显示，该电池在1000勒克斯照度（相当于典型办公室光照水平）的室内光下，实现了37.6%的 光电转换效率，创下带隙为1.75eV的钙钛矿太阳能电池在室内光照条件下的世界纪录。 在长期稳定性测试中，该电池在持续运行100多天后仍保持其初始性能的92%；在更为严苛的条件下 ——55℃高温及连续强光照射300小时后，新型电池仍维持76%的初始性能，而对照组性能则下降至初 始值的47%。这些结果充分证明了该技术在实际应用环境中的可靠性和耐久性。 （文章来源：科技日报） 英国伦敦大学学院领导的国际团队开发出一种新型耐用的太阳能电池，在室内光照条件下，创出光电转 换效率新纪录。该电池有望为键盘、遥控器、警报器和各类传感器等小型电子设备供电，从而使其摆脱 对传统电池的依赖。研究成果发表在最新一期《先进功能材料》杂志上。 该电池采用了在室外太阳能电池领域展现出巨大潜力的钙钛矿材料。与传统的硅基太阳能电池不同，钙 钛矿材料的成分可被调控，从而可优化其对室内光源特定波长的吸收能力，并使其在低光照条件下依然 具备良好的能量转换效率。然而，钙钛矿材料长期面临一个关键挑战是，其晶体结构中存在被称为"陷 阱"的微观缺陷，这些缺陷 ...

Core Viewpoint - Anhui Sunshine Solar Technology Co., Ltd. has applied for a patent for a perovskite solar cell and its preparation method, indicating a focus on innovation in the renewable energy sector [1] Company Summary - Anhui Sunshine Solar Technology Co., Ltd. was established in 2018 and is located in Hefei City, primarily engaged in business services [1] - The company has a registered capital of 200 million RMB [1] - It has made external investments in one company, participated in two bidding projects, and holds 12 patents along with five administrative licenses [1] Industry Summary - The patent application involves a perovskite solar cell that includes an inorganic hole transport layer and addresses issues such as interface defects and energy level mismatch between materials [1] - The perovskite precursor solution used in the process contains perovskite and self-assembled monomer materials, with a concentration range of 0.1 mg/mL to 0.5 mg/mL [1] - The annealing process forms chemical covalent bonds between the groups of the self-assembled monomer materials and the surface of the inorganic hole transport layer [1]

Group 1 - The company, Qibin New Energy Development (Shenzhen) Co., Ltd., has applied for a patent related to "Preparation Method of Perovskite Battery Structure and Perovskite Battery," with publication number CN120390509A and application date of June 2025 [1] - The patent addresses a method for preparing perovskite battery structures, which involves setting a transition layer on the electron transport layer or hole transport layer that releases bubbles during sublimation [1] - The method includes the formation of a hollow structure in the battery semi-finished product, allowing for improved filling of perovskite solution, which aims to enhance battery efficiency by overcoming coverage area limitations [1] Group 2 - Qibin New Energy Development (Shenzhen) Co., Ltd. was established in 2022 and is primarily engaged in technology promotion and application services [2] - The company has a registered capital of 10 million RMB and holds 68 patents along with 4 administrative licenses according to data from Tianyancha [2]

Core Viewpoint - The research team from the Changchun Institute of Applied Chemistry has made significant breakthroughs in the development of a new type of organic self-assembling molecular material for perovskite solar cells, enhancing their efficiency, stability, and uniformity in large-area processing [1][2]. Group 1: Research Breakthroughs - The new double radical self-assembling molecular material significantly improves the performance of the hole transport layer in perovskite solar cells, addressing key bottlenecks in the industry [2]. - The perovskite solar cells made with this new material achieved a power conversion efficiency of 26.3% for small-area devices and 23.6% for micro-components, with perovskite-silicon tandem cells exceeding 34.2% efficiency [2]. Group 2: Industry Implications - The technology is ready for mass production, with key equipment being domestically sourced, indicating a move towards self-sufficiency in core material development [2]. - Four supporting enterprises, including Suzhou Hongzheng Intelligent Technology, are establishing production facilities in Changchun, highlighting the commercial interest and potential for scaling this technology [2].

Core Viewpoint - The development of perovskite solar cells is advancing towards large-scale application, with significant breakthroughs in production technology and efficiency, marking a shift in the photovoltaic industry. Group 1: Technological Breakthroughs - The 3D laminar flow-assisted crystallization technology (LAD) developed by Xianna Optoelectronics significantly improves the production yield of perovskite components by reducing residual solvents by 90% and optimizing crystallization morphology [3][4] - This new method combines the advantages of common spin-coating and vacuum flash evaporation processes while avoiding their disadvantages in large-scale production and stability [3] Group 2: Industry Impact - Xianna Optoelectronics has achieved the world's first megawatt-level perovskite distributed rooftop power station and ground power station, demonstrating the commercial viability of perovskite technology [4] - The company established the world's first 100-megawatt perovskite mass production line in 2022, achieving a component yield exceeding 98.5% and covering applications in building-integrated photovoltaics and vehicle energy [4] Group 3: Academic Recognition - Xianna Optoelectronics became the first Chinese company to independently publish a research paper in the prestigious journal "Science," highlighting its leadership in the third-generation photovoltaic technology field [2] - The research outlines a systematic path for industrialization focusing on efficiency, stability, and mass production yield for square meter-sized perovskite modules [2]