An open-framework hybrid solid with two different types of manganese phosphate chains has been synthesized under solvent-free conditions. A type I chain consists of isolated Mn2O10 dimers, while a type II chain contains an infinite Mn-O-Mn chain constructed from corner-sharing Mn2O10 dimers. The compound shows ferrimagnetic behavior, which is different from the antiferromagnetic behavior for its structural analogue that only contains type I manganese phosphate chains.
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http://dx.doi.org/10.1021/ic502601s | DOI Listing |
ACS Appl Mater Interfaces
December 2024
Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China.
Olivine-type LiMnFePO (LMFP) has inherited the excellent heat-stable structure of LiFePO (LFP) and the high-voltage property of LiMnPO (LMP), which shows great promise as a high-safety, high-energy-density cathode material. In order to combine the high energy density and excellent electrochemical performance, it is essential to consider the Mn/Fe ratio. This paper presents a theoretical investigation of the lattice structure parameters, embedded lithium voltage, local electron density, migration barrier, and lithium ion delithiation and lithiation mechanism of different LiMnFePO4 (0.
View Article and Find Full Text PDFSci Rep
November 2024
Research Centre for Nanomaterials and Energy Technology (RCNMET), School of Engineering and Technology, Sunway University, No. 5, Jalan Universiti, Bandar Sunway, 47500, Darul Ehsan, Selangor, Malaysia.
Electrochemical energy storage devices with high specific capacity are of utmost important for the next-generation electronic devices. Supercapatteries (SCs) are highly demanded energy storage devices nowadays as these bridge the low energy supercapacitors and low power batteries. Herein, we report a rapid synthesis of cobalt manganese phosphate (COMAP) by microwave-assisted hydrothermal method and facile fabrication of SCs using electrodes comprising of COMAP as positrode material.
View Article and Find Full Text PDFNanomaterials (Basel)
August 2024
School of Energy and Electrical Engineering, Qinghai University, Xiâning 810016, China.
As a promising cathode material, olivine-structured LiMnPO holds enormous potential for lithium-ion batteries. Herein, we demonstrate a green biomass-derived phytic-acid-assisted method to synthesize a series of LiMnFePO/C composites. The effect of Fe doping on the crystal structure and morphology of LiMnPO particles is investigated.
View Article and Find Full Text PDFNano Lett
August 2024
Hunan Provincial Key Laboratory of Chemical Power Sources, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
iScience
July 2024
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren' ai Road, Suzhou, Jiangsu 215123, P.R. China.
Autologous cancer vaccines represent a promising therapeutic approach against tumor relapse. Herein, a concise biomineralization strategy was developed to prepare an immunostimulatory autologous cancer vaccine through protein antigen-mediated growth of flower-like manganese phosphate (MnP) nanoparticles. In addition to inheriting the cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS)-stimulator of interferon genes (STING)-activating capacity of Mn, the resulting ovalbumin (OVA)-loaded MnP (OVA@MnP) nanoparticles with superior stability and pH-responsiveness enabled efficient priming of antigen-specific CD8 T cell expansion through promoting the endo/lysosome escape and subsequent antigen cross-presentation of OVA.
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