Search Results - "Nayaka, G. P"

Dissolution of cathode active material of spent Li-ion batteries using tartaric acid and ascorbic acid mixture to recover Co by Nayaka, G.P., Pai, K.V., Santhosh, G., Manjanna, J.

“…Environmentally benign hydrometallurgical dissolution process is investigated for the recovery of cobalt from the cathode active materials of spent lithium-ion…”
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Recovery of valuable metal ions from the spent lithium-ion battery using aqueous mixture of mild organic acids as alternative to mineral acids by Nayaka, G.P., Manjanna, J., Pai, K.V., Vadavi, R., Keny, S.J., Tripathi, V.S.

“…A well characterized cathode material (LiCoO2) recovered from spent lithium-ion battery is dissolved in aqueous mixture of citric acid (chelating agent) and…”
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Preparation and characterization of Ce1−xGdxO2−δ (x=0.1–0.3) as solid electrolyte for intermediate temperature SOFC by Anjaneya, K.C., Nayaka, G.P., Manjanna, J., Govindaraj, G., Ganesha, K.N.

“…•Gd doped CeO2 was successfully synthesized by carbonate co-precipitation method.•Lattice parameters and unit cell volume increases with increase in Gd…”
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Effective and environmentally friendly recycling process designed for LiCoO2 cathode powders of spent Li-ion batteries using mixture of mild organic acids by Nayaka, G.P., Zhang, Yingjie, Dong, Peng, Wang, Ding, Pai, K.V., Manjanna, J., Santhosh, G., Duan, Jianguo, Zhou, Zhongren, Xiao, Jie

“…•A complete dissolution was achieved using mixture of citric acid, tartaric acid and ascorbic acid, at 80 °C.•Formation of Co(III)-L and Co(II)-L complex was…”
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Luminescent down-shifting aluminosilicate nanocomposites: an efficient UVA shielding material for photovoltaics by Santhosh, G., Madhukar, B. S., Nayaka, G. P., Siddaramaiah, Basavarajaiah

“…In this investigation polycarbonate (PC) nanocomposites (NC) films have been fabricated with varying amounts of alluminosilicate nanotubes (HNT) using solvent…”
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Ultrahigh capacitance of NiCo2O4/CeO2mixed metal oxide material for supercapacitor applications by Santhosh, G., Nayaka, G.P., Bhatt, Aarti S.

“…•CeO2 are desirable as electrode materials.•Mixed metal oxides show enhancement in electrochemical performance.•NiCo2O4/CeO2 exhibit excellent specific…”
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Synthesis and ionic conductivity of calcium-doped ceria relevant to solid oxide fuel cell applications by Momin, Naeemakhtar, Manjanna, J, Kobayashi, Satoru, Aruna, S. T, Senthil Kumar, S, Nayaka, G. P

“…Towards the development of green energy devices, it is necessary to focus on commercial electrolyte materials for intermediate temperature solid oxide fuel…”
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Design of polydopamine-encapsulation multiporous MnO cross-linked with polyacrylic acid binder for superior lithium ion battery anode by Zhang, Jufeng, Ren, Ting, Nayaka, G.P., Dong, Peng, Duan, Jianguo, Li, Xue, Zhang, Yingjie, Wang, Ding

“…Investigating independent active materials is inadequate to settle the technological challenges involved in the booming lithium ion battery industry. The…”
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Silicon-titanium nanocomposite synthesized via the direct electrolysis of SiO2/TiO2 precursor in molten salt and their performance as the anode material for lithium ion batteries by Zhou, Zhongren, Dong, Peng, Wang, Deyu, Liu, Meng, Duan, Jianguo, Nayaka, G.P., Wang, Ding, Xu, Cunying, Hua, Yixin, Zhang, Yingjie

“…In this paper, a facile metallurgical method named molten salt electrolysis was introduced to synthesize silicon-titanium nanocomposite that was used as the…”
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Investigation on the Sr-doped ceria Ce1−xSrxO2−δ (x=0.05–0.2) as an electrolyte for intermediate temperature SOFC by Anjaneya, K.C., Nayaka, G.P., Manjanna, J., Ashwin Kumar, V.M., Govindaraj, G., Ganesha, K.N.

“…[Display omitted] •Ce1−xSrxO2−δ (x=0.05–0.2) were synthesized by citrate-complexation method.•Pure solid solution was found for x=0.05 unlike other…”
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Preparation and characterization of Ce1−xSmxO2−δ (x = 0.1–0.3) as electrolyte material for intermediate temperature SOFC by Anjaneya, K.C., Nayaka, G.P., Manjanna, J., Govindaraj, G., Ganesha, K.N.

“…The effect of Sm doping on CeO2 for its use as a solid electrolyte material for intermediate temperature solid oxide fuel cells (IT-SOFCs) has been explored…”
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Investigation on Electrical and Dielectric Behaviour of Halloysite Nanotube Incorporated Polycarbonate Nanocomposite Films by Santhosh, G., Nayaka, G. P., Aranha, Johnston, Siddaramaiah

“…Polycarbonate (PC) nanocomposites were fabricated by solution intercalation method with halloysite nanotubes (HNTs) as reinforcement. The effects of HNT…”
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Citrate-complexation synthesized Ce0.85Gd0.15O2−δ (GDC15) as solid electrolyte for intermediate temperature SOFC by Anjaneya, K.C., Manjanna, J., Nayaka, G.P., Ashwin Kumar, V.M., Govindaraj, G., Ganesha, K.N.

“…A typical Ce0.85Gd0.15O2−δ (GDC15) composition of CeO2−Gd2O3 system is synthesized by modified sol−gel technique known as citrate-complexation. TG–DTA, XRD,…”
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Influence of gamma radiation on optical properties of Halloysite nanotubes incorporated polycarbonate nanocomposites by Santhosh, G., Madhukar, B. S., Nayaka, G. P., Hemaraju, B. C., Siddaramaiah, B.

“…In the current research investigation, polycarbonate/hallyosite nanotubes (PC/HNTs) nanocomposite (NC) films have been successfully fabricated by solution…”
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Structural, electrical and electrochemical studies of LiNi0.4M0.1Mn1.5O4 (M = Co, Mg) solid solutions for lithium ion battery by NAYAKA, G P, PAI, K V, MANJANNA, J, ANJANEYA, K C, PERIASAMY, P, TRIPATHI, V S

“…The LiNi 0.4 M 0.1 Mn 1.5 O 4 ( M = Co, Mg) solid solutions are synthesized by citric acid assisted sol–gel method and characterized by using TG/DTA, XRD,…”
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Structural, electrical and electrochemical studies of LiNi0.4 M 0.1Mn1.5O4 (M = Co, Mg) solid solutions for lithium ion battery by NAYAKA, G P, PAI, K V, MANJANNA, J, ANJANEYA, K C, PERIASAMY, P, TRIPATHI, V S

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Studies on structural, morphological and electrical properties of Ce0.8Ln0.2O2−δ (Ln=Y3+, Gd3+, Sm3+, Nd3+ and La3+) solid solutions prepared by citrate complexation method by Anjaneya, K.C., Nayaka, G.P., Manjanna, J., Govindaraj, G., Ganesha, K.N.

“…[Display omitted] •Ln doped CeO2 was successfully synthesized by citrate-complexation method.•Unit cell parameter increases with increase in dopant…”
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Recovery of cobalt as cobalt oxalate from spent lithium ion batteries by using glycine as leaching agent by Nayaka, G.P., Pai, K.V., Santhosh, G., Manjanna, J.

“…[Display omitted] •Glycine and ascorbic acid mixture can dissolve active cathode material of spent Li-ion batteries.•Formation of Co(III)- and Co(II)-L complex…”
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Beneficial effect of incorporating Ni-rich oxide and layered over-lithiated oxide into high-energy-density cathode materials for lithium-ion batteries by Qiu, Zhenping, Zhang, Yingjie, Huang, Xuesong, Duan, Jianguo, Wang, Ding, Nayaka, G.P., Li, Xue, Dong, Peng

“…Layer structured Ni-rich oxides with high energy density suffer from an aggressive side reaction at the deep-charged state, resulting in consequent structure…”
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Synthesis of α-Fe2O3 nanoparticles from soft magnetic FeSiAl alloy cores of spent printed circuit boards and their application in visible-light-driven degradation of methylene blue dye by Patil, Dinesh, Sridhara, M.B., Manjanna, J., Nayaka, G.P., Sabale, S.

“…This study aims at 3R recovery, reuse, and recycling of metals from spent printed circuit boards (PCBs). Here, soft magnetic FeSiAl alloy cores of spent PCBs…”
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